You are the network administrator for TestKing.com. The network consists of a single Active Directory domain named testking.com. All network servers run Windows Server 2003, and all client computers run Windows XP Professional. A user named King will leave TestKing in one week. A replacement will be hired in one month. The replacement will need the same access to network resources that King currently has. The replacement will also need ownership of all files that currently reside in King's home folder. You need to minimize the administrative effort that will be required when the replacement is hired. You also need to ensure that no one can use King's user account to log on to the domain until the replacement is hired. What should you do?（）

A. Move King's user account to the LostAndFound organizational unit (OU).
B. Disable King's user account.
Configure King's user account to require a change in password at next logon.
Delete King's user account.